<template>
  <div class="login-container">
    <div class="logo" />
    <div class="form">
      <h1>登录</h1>

      <el-card shadow="never" class="login-card">
        <!--登录表单-->
        <!-- 给form组件设置验证规则 model rules -->
        <!--1.绑定ref属性-->
        <el-form ref="loginForm" :model="formData" :rules="rules">
          <!-- 将规则指定组件 prop -->
          <el-form-item prop="mobile">
            <el-input v-model="formData.mobile" placeholder="请输入手机号" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="formData.password" show-password placeholder="请输入密码" />
          </el-form-item>
          <el-form-item prop="isAgree">
            <el-checkbox v-model="formData.isAgree">
              用户平台使用协议
            </el-checkbox>
          </el-form-item>
          <!-- 2.给button绑定点击事件 -->
          <!-- 3.点击事件中，通过$refs.xxx调用组件内部的方法 -->
          <el-button type="primary" style="width: 350px" @click="onSubmit">登录</el-button>
        </el-form>
      </el-card>

    </div>

  </div>

</template>

<script>
import { mapActions, mapState } from 'vuex'

// element UI搭建登录静态结构
// 收集数据，校验数据

export default {
  name: 'Login',
  data() {
    return {
      formData: {
        mobile: this.$store.state.user.mobile,
        password: this.$store.state.user.password,
        isAgree: false
      },
      rules: {
        mobile: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        }, {
          pattern: /^1[3-9]\d{9}$/,
          message: '手机号格式不正确',
          trigger: 'blur'

        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        }, {
          min: 6,
          max: 16,
          message: '密码长度应该为6-16位之间',
          trigger: 'blur'

        }],
        // required只能检查 null "" undefined
        isAgree: [{
          validator: (rule, value, callback) => {
            // rule规则
            // value检查的数据 true/false
            // callback 函数 执行这个函数
            // 成功执行callback 失败也执行callback(错误对象 new Error(错误信息))
            value ? callback() : callback(new Error('没有勾选用户平台协议'))
          }
        }]
      }
    }
  },
  computed: {
    ...mapState('user', ['mobile', 'password'])
  },
  // 表单校验
  // 1、定义一个formData对象，用来收集数据
  // 2、v-model='formData.xxx'双向绑定数据收集数据
  // 3、定义rules对象设置校验规则
  // 4、把formData和rules绑定给el-form组件
  // 5、给form-item绑定prop规则属性
  // 6、表单提交校验：$ref获取form组件的实例对象，调用validate方法
  methods: {
    ...mapActions('user', ['loginAction']),
    async onSubmit() {
      await this.$refs.loginForm.validate()
      this.loginAction(this.formData)
    }
  }
}
</script>

<style lang="scss">
.login-container {
  display: flex;
  align-items: stretch;
  height: 100vh;

  .logo {
    flex: 3;
    background: rgba(38, 72, 176) url(../../assets/common/login_back.png) no-repeat center / cover;
    border-top-right-radius: 60px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    padding: 0 100px;

    .icon {
      background: url(../../assets/common/logo.png) no-repeat 70px center / contain;
      width: 300px;
      height: 50px;
      margin-bottom: 50px;
    }

    p {
      color: #fff;
      font-size: 18px;
      margin-top: 20px;
      width: 300px;
      text-align: center;
    }
  }

  .form {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 176px;

    .el-card {
      border: none;
      padding: 0;
    }

    h1 {
      padding-left: 20px;
      font-size: 24px;
    }

    .el-input {
      width: 350px;
      height: 44px;

      .el-input__inner {
        background: #f4f5fb;
      }
    }

    .el-checkbox {
      color: #606266;
    }
  }
}
</style>
